Figure 5 | Scientific Reports

Figure 5

From: Paroxysmal eruptions tracked by variations of helium isotopes: inferences from Piton de la Fournaise (La Réunion island)

Figure 5

Time evolution of noble gases isotopes ratios in gas-released by olivine crystals crushing from lavas during the August 2015 eruption. (a) Evolution of 3He/4He compared to hosting lava chemistry58. (b) Evolution of 4He/40Ar*. 4He/40Ar* variability as a function of the location of magma ponding in the plumbing system10. Same legend than for Fig. 7. The meaning of σerror and σreplicates is detailed in the Methods and the caption of Fig. 2.

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